LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Components of Troubled Debt Restructured Loans and Leases (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	$ 11,680	$ 9,812
Non-Traditional Mortgages (NTM)
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	3,399	3,968
Traditional Loans
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	8,281	5,844
Commercial | SBA
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	0	3
Commercial | Non-Traditional Mortgages (NTM) | SBA
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	0	0
Commercial | Traditional Loans | SBA
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	0	3
Consumer | Single family residential mortgage
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	9,143	6,856
Consumer | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	2,243	2,400
Consumer | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	294	553
Consumer | Non-Traditional Mortgages (NTM) | Single family residential mortgage
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	862	1,015
Consumer | Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	2,243	2,400
Consumer | Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	294	553
Consumer | Traditional Loans | Single family residential mortgage
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	8,281	5,841
Consumer | Traditional Loans | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	0	0
Consumer | Traditional Loans | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Troubled Debt Restructurings [Line Items]
Troubled debt restructured loans and leases	$ 0	$ 0